Clark, Junebug. [Dave Tracy Speaking into Microphone at 2014 Mayborn Multimedia High School Workshop], photograph, July 24, 2014; (https://texashistory.unt.edu/ark:/67531/metadc978719/m1/1/: accessed September 28, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .